There are currently 118 known elements on the periodic table, and we've put 20 of them below to create a brain game that ...

Calcium is found on the left of the periodic table, surrounded by other metals ... Looking for more resources for your chemistry lessons? In this short video, scientist Mark Miodownik visits ...

Across the hall, a rebuilt but venerable cyclotron was flinging calcium atoms against a bit ... grouping them by mass and other attributes in his periodic table. Later scientists traced Mendeleyev ...

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...

In the following quiz, test your knowledge of some chemistry basics ... Susan K. Lewis The periodic table is a chart of all known chemical elements, both natural and synthesized.

Lesson Plans: The Periodic Table and Bonding Download inquiry-based lesson plans ... ACS gives you a variety of tools to ensure your learning spaces, lesson plans, and materials are safe for you and ...